Stopper With Hole

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Stopper With Hole
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  • Silicone Stoppers with Holes

    DWK Life Sciences (Kimble)

    General purpose single-hole silicone rubber stoppers. Steam autoclavable Opaque yellowish-white color Stoppers are manufactured from pure silicone rubber

  • Laboratory Grade Automatic Burets with Straight Stopcocks with PTFE Plugs

    Wilmad LabGlass

    …by the rubber bulb. A small hole in the filling tube at the "O" line permits setting of the liquid level and excess titrant is returned to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG-4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130),…

  • Filter Stopper RBR #8 0.625" Hole

    Thermo Scientific Nalgene

    No. 8, rubber For use with 145- and 147-series analytical test filter funnels and filter funnel with clamp

  • Sani-Tech® Silicone Stoppers

    Saint Gobain

    …long-life silicone stoppers are fully autoclavable and sterilizable and will not crack, spallate or invoke particle migrations that can cause process or product contamination. All Sani-Tech® silicone stoppers can be supplied in a solid configuration or with cored holes for use with dip tubes or…

  • Filter Flask with Stopper Joint

    Wilmad LabGlass

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • Rubber Stoppers for 800mL Kjeldahl Flasks

    Plasticoid

    Choice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm

  • XX2004718

    MilliporeSigma

    Designed for use with Millipore stainless steel vacuum filter holders Stopper Size: No. 8 Hole I.D.: 9.5mm (3/8 in.) Silicone rubber construction

  • No. 8 Perforated Stopper

    MilliporeSigma

    Designed for use with 1L and 4L vacuum filtering flasks and 47mm vacuum filter holder assemblies 100% Silicone Material Perforated, 1-hole accepts filter holder assemblies and tubing Pack of 5

  • Twistit Convertible Stoppers

    Plasticoid

    … Molded of soft, resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3) holes. 8744H10 Assortment includes nine size 3, eight size 4, six size 5, four size 6, two each sizes 7 and 8, one…

  • Filter Adapters

    Bal Supply

    …does not need to be fitted closely around the funnel stem to be functional. Can be used singly or nested with adjacent sizes. Eliminates boring of special size holes in rubber stoppers and difficulties of insertion and removal. Withstands autoclaving. Available as a set or in individual sizes.

  • Cork Boring Machine

    Humboldt

    …tabletop, the Humboldt Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper. The knurled chuck accommodates the 9/16" (14mm) shank of the eight, plated-steel borers included with the unit. The steel borers range from 3/16" to 5/8" (4.8mm to 15.9mm) in…

  • Laboratory Grade Automatic Burets with Straight Stopcocks

    Wilmad LabGlass

    …up inside the graduated tube. A small hole in the filling tube at the "O" line permits setting of the liquid level and return of the excess to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130), and…

  • Cork Borer Sets with Handles, Plated Brass Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Oxygen Flask Combustion Unit

    Exeter Analytical

    …weighed out and placed in an ashless filter paper holder which in turn is placed in a platinum basket attached to the stopper of the flask. The flask is filled with oxygen and the stopper is then placed in the flask. The sample is combusted and the resultant combustion products are absorbed into the…

  • Filter Funnel, Threaded

    Thermo Scientific Nalgene

    … Screw-type closure holds membrane in place Autoclavable Can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. Includes one easy-to-use, no-twist Nalgene® vacuum gasket, which can replace a No. 7 or 8 rubber stopper with a 9/16” (15 mm) hole.

  • BOD Bottle Accessories

    DWK Life Sciences (Wheaton)

    … Rubber Leash For BOD Stopper (1234R64) ensures that the stoppers do not become lost when collecting samples in from the field. The 10 mm diameter holes at each end of the leash expand to fit securely around both the stoppers and the bottle necks. Polyethylene cap with a closed cell foam insert…

  • Filter Adapter Set, Neoprene

    United Scientific Supplies

    …filter tubes and other apparatus in filtration assemblies These adapters are functional even if not tightly fitted around the funnel stem Can be used individually or nested with adjacent sizes Provide an excellent alternative to boring special size holes in rubber stoppers Autoclavable

  • Hollow Acrylic Prism,w/ Funnel & Stopper

    United Scientific Supplies

    Equilateral, 45mm sides hollow acrylic prism. Has one hole for adding fluids to study refraction and dispersion. Comes with a funnel and a stopper.

  • FreeZone® Freeze Dryers Miscellaenous Accessories

    Labconco

    with 3" diameter hole. Optional collector lid for FreeZone 4.5L, 6L, 8L, 12L & 18L Freeze Dryers. For use with solvents that attack arcylic, like acetonitrile. Includes neoprene gasket. 10.1" dia. Stainless Steel Lid (1177K46) Stainless steel lid has 10.12" diameter with

  • 12-Well Microcentrifuge Tube Holder

    Labconco

    …aluminum block with 12 bore holes that accommodate 1.7 ml microcentrifuge tubes. Holder may be placed on any flat freeze drying surface such as inside Clear Chambers, Heated Drying Chambers or the built-in vacuum drying chamber of FreeZone Console Systems; or on FreeZone Stoppering or Bulk Tray…

  • Stopper Sidearm Pk144

    DWK Life Sciences (Kimble)

    …without disturbing established conditions ·          Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well ·          Items sold…

  • Class A KIMAX Micro Burets With PTFE Stopcock

    DWK Life Sciences (Kimble)

    Scale is durable white ceramic enamel Funnel top to accept No. 3 one-holed rubber stopper Class A accuracy Stopcock for both sizes is Standard Taper 2 1990K60 is graduated in 0.01 mL intervals. 1990K80 is graduated in 0.02 mL intervals.

  • Cork Borer Sets with Handles, Plated Steel Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • KIMAX Class A Serialized and Certified Automatic Zero Burets with PTFE Stopcocks…

    DWK Life Sciences (Kimble)

    …rubber stopper, PTFE stopcock plug and 1/4 inch ID tubing Precision ground tips assure uniform outflow Supplied with a chemically-resistant, self-lubricating PTFE stopcock plug Permanently marked with an individual serial number and traceable to NIST Standards Supplied with a Certificate…

  • Transparent 6 Gallon PET Carboys

    Dynalon

    …closure with a center hole for a #10 Stopper for use with the PET Carboy and fermentation applications. 1166C14: A #10 Stopper with a center hole for a 3 piece fermentation lock. For use with the PET Carboy and fermentation applications. 1166C15: A solid #10 Stopper for use with the…

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    …has official certification for water quality work The 0.2 µm membrane is excellent for sterility testing Graduated upper chamber provides accurate and convenient sample measurements Includes six funnel adapters designed to fit a #8 rubber stopper with a 1/2-inch hole. Case contains 50 filters.

  • Clamp Style Polysulfone Filter Funnels

    Thermo Scientific Nalgene

    …yet allows easy access for retrieval and replacement of membrane. Clamp allows one-handed operation. Funnel may be used with any filtering flask or filter manifold which has a No. 8 rubber stopper with a 9/16” (15 mm) hole. Funnel and clamp, Thomas number 4618Q60, also available separately.

  • Microcentrifuge Tube Racks

    United Scientific Supplies

    …compatible with both 1.5ml and 2.0ml microcentrifuge tubes. Racks lock together on each side so that several can be attached for larger experiments. Each hole has molded in numbers for sample indentification. Ergonomic design provides easy insertion and removal and of tubes. Include rubber stopper

  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    …Included is a 500ml Borosilicate Filtering Flask, Vacuum Pump, Porcelain Buchner Funnell, 9cm filter paper, connection tubing, and a rubber stopper. The stopper hole is specially cut to hold the Buchner funnel. The Vacuum Pump is simplifies the process of vacuum filtration, eliminating the need for…

  • Sidearm Flask 10ml

    DWK Life Sciences (Kimble)

    …to use this easy system with either a phosphate or bicarbonate buffer The disposable center well may be cut off when transferred to a liquid scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal…

  • Center Well Pk144

    DWK Life Sciences (Kimble)

    …to use this easy system with either a phosphate or bicarbonate buffer The disposable center well may be cut off when transferred to a liquid scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal…

  • Flask Erlenmeyer 10ml

    DWK Life Sciences (Kimble)

    …to use this easy system with either a phosphate or bicarbonate buffer The disposable center well may be cut off when transferred to a liquid scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal…

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